Tap-dancing elephants and snakes, bell-ringing pelicans, tightrope-walking penguins, cheerleading leopards and a bush baby with stage fright are among the characters lining up each week to try and impress the panel of judges headed by Clive, a vain lazy lion who quite literally eats acts for breakfast! So don't be a mango, watch the Zoo Factor! There is a ghost in the studio, and not even Mick and Mack can get rid of it. Is this an unsuccessful act out to get its revenge?